Inventor
MATSUI SADAYOSHI
72 patents
⚠️ This page may combine multiple inventors who share the name “MATSUI SADAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
47 patentsUS4806454AFeb 21, 1989
Method for the formation of a diffraction grating
SHARP KK58 citations96
US6206969B1Mar 27, 2001
Method and apparatus for fabricating semiconductor
SHARP KK19 citations93
US4903274AFeb 20, 1990
Semiconductor laser array device
SHARP KK25 citations93
US4890293ADec 26, 1989
Semiconductor laser device
SHARP KK32 citations93
US4658403AApr 14, 1987
Optical element in semiconductor laser device having a diffraction grating and improved resonance characteristics
SHARP KK53 citations93
US5450237ASep 12, 1995
Hyperresolution optical system
SHARP KK29 citations92
US4997747AMar 5, 1991
Method for the formation of a diffraction grating
SHARP KK18 citations82
US4692206ASep 8, 1987
Method for producing a semiconductor laser device having a buried heterostructure
SHARP KK18 citations82
US5360762ANov 1, 1994
Semiconductor laser device, and a method for producing a compound semiconductor device including the semiconductor laser device
SHARP KK8 citations74
US5271028ADec 14, 1993
Semiconductor laser device
SHARP KK12 citations74
US5255279AOct 19, 1993
Semiconductor laser device, and a method for producing a compound semiconductor device including the semiconductor laser device
SHARP KK10 citations74
US4908830AMar 13, 1990
Buried type semiconductor laser device
SHARP KK11 citations74
US4856015AAug 8, 1989
Semiconductor laser array device
SHARP KK18 citations74
US4853936AAug 1, 1989
Index guided semiconductor laser device
SHARP KK9 citations74
US4842679AJun 27, 1989
Method for the production of semiconductor devices
SHARP KK11 citations74
US4817104AMar 28, 1989
Semiconductor laser array device
SHARP KK15 citations74
US4813051AMar 14, 1989
Semiconductor laser array device
SHARP KK8 citations74
US4806778AFeb 21, 1989
Micro-displacement measuring apparatus using a semiconductor laser
SHARP KK13 citations74
US4799227AJan 17, 1989
Semiconductor laser device having a buried heterostructure
SHARP KK9 citations74
US4791651ADec 13, 1988
Semiconductor laser array device
SHARP KK11 citations74
US4780175AOct 25, 1988
Method for the production of an optical phase-shifting board
SHARP KK6 citations74
US4772082ASep 20, 1988
Semiconductor laser array device
SHARP KK7 citations74
US4771434ASep 13, 1988
Semiconductor laser device with an integrated light-detecting area
SHARP KK9 citations74
US4747109AMay 24, 1988
Semiconductor laser array device
SHARP KK9 citations74
US4745615AMay 17, 1988
Semiconductor laser device with a diffraction grating
SHARP KK9 citations74
US4742526AMay 3, 1988
Semiconductor laser array device
SHARP KK7 citations74
US4730326AMar 8, 1988
Semiconductor laser array device
SHARP KK7 citations74
US4730329AMar 8, 1988
Semiconductor laser device
SHARP KK8 citations74
US4716570ADec 29, 1987
Distributed feedback semiconductor laser device
SHARP KK7 citations74
US4716129ADec 29, 1987
Method for the production of semiconductor devices
SHARP KK9 citations74
US4679200AJul 7, 1987
Semiconductor laser
SHARP KK11 citations74
US4660983AApr 28, 1987
Apparatus for measuring reflectivities of resonator facets of semiconductor laser
SHARP KK7 citations74
US4655597AApr 7, 1987
Micro-displacement measuring apparatus using a semiconductor laser
SHARP KK7 citations74
US5789773AAug 4, 1998
Semiconductor light-emitting device
SHARP KK15 citations73
US5491106AFeb 13, 1996
Method for growing a compound semiconductor and a method for producing a semiconductor laser
SHARP KK3 citations63
US5054031AOct 1, 1991
Semiconductor laser device
SHARP KK6 citations63
US4939737AJul 3, 1990
Scanning apparatus with refracting area of variable refractive index
SHARP KK5 citations63
US4908831AMar 13, 1990
Buried type semiconductor laser device
SHARP KK2 citations63
US4901328AFeb 13, 1990
Semiconductor VSIS laser
SHARP KK5 citations63
US4878223AOct 31, 1989
Semiconductor laser array device
SHARP KK4 citations63
US4872174AOct 3, 1989
Semiconductor laser device having a grating structure
SHARP KK4 citations63
US4870651ASep 26, 1989
Semiconductor light-emitting apparatus
SHARP KK6 citations63
US4841534AJun 20, 1989
Buried type semiconductor laser device
SHARP KK1 citations63
US4839900AJun 13, 1989
Buried type semiconductor laser device
SHARP KK1 citations63
US4823353AApr 18, 1989
Semiconductor laser array apparatus
SHARP KK2 citations63
US4819240AApr 4, 1989
Light modulator
SHARP KK5 citations63
US4815088AMar 21, 1989
Semiconductor laser array device
SHARP KK4 citations63
IHARA CHEMICAL IND CO
3 patentsUS4111879ASep 5, 1978
Composition for inhibiting adhesion of shellfish and algae
IHARA CHEMICAL IND CO59 citations93
US4211723AJul 8, 1980
Process for producing chlorosulfonylbenzoylchloride
IHARA CHEMICAL IND CO6 citations73
US4057555ANov 8, 1977
Process for producing saccharin
IHARA CHEMICAL IND CO10 citations73
Showing the top 50 of 72 patents by PatentIndex Score.